<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>伪类选择符</title>
<style>
	.aLink{ color : red; }
	.aLink:visited{ color : green; }
</style>
</head>
<body>
<a href="#" class="aLink">第一个a链接</a>
<a href="#">第二个a链接</a>
</body>
</html>

